CVE-2026-26931 MEDIUM

CVE-2026-26931: Memory Allocation with Excessive Size Value in Metricbeat Leading to Denial of Service

Vendor Elastic
Product Metricbeat
Weakness CWE-789
Published March 19, 2026
Last update March 19, 2026
View on NVD All CVEs

CVSS base score

5.7/10
Attack vector Adjacent
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

What the vulnerability does

01Description

Memory Allocation with Excessive Size Value (CWE-789) in the Prometheus remote_write HTTP handler in Metricbeat can lead Denial of Service via Excessive Allocation (CAPEC-130).

Key dates

02Disclosure timeline

March 19, 2026 CVE published
March 19, 2026 Record updated